Portable telephone



FIG. 1 is a perspective view of the portable telephone with the keypad cover in the open position;

FIG. 2 is a perspective view of the portable telephone with the keypad cover in the closed position;

FIG. 3 is a left elevational view of the portable telephone with the keypad cover in the closed position;

FIG. 4 is a rear elevational view of the portable telephone with the keypad cover in the closed position; and,

FIG. 5 is a bottom plan view of the portable telephone with the keypad cover in the closed position.

The broken line disclosure in FIGS. 1-5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for the portable telephone, as shown and described. 